Quotes about length
page 2

“This Treasury paper, by its very length, defends itself against the risk of being read.”
As cited in Churchill by Himself (2008), ed. Langworth, PublicAffairs, p. 50, ISBN 1586486389
Post-war years (1945–1955)

“For a while" is a phrase whose length can't be measured. At least by the person who's waiting.”
Source: South of the Border, West of the Sun

Khwaja Mas'ud bin Sa'd bin Salman:Diwan-i-Salman in Elliot and Dowson, History of India as told by its own Historians, Vol. IV, pp. 518 ff.
Time and the Art of Living (1982)

Quoted in Steven Daly, "The Maverick King," Vanity Fair (November 2004)

“At length the morn and cold indifference came.”
Act i, scene 1. Compare: "But with the morning cool reflection came", Sir Walter Scott, Chronicles of the Canongate, chap. iv. Scott also quotes this in his notes to "The Monastery", chapter iii, note 11; and with "calm" substituted for "cool" in "The Antiquary", chapter v.; and with "repentance" for "reflection" in "Rob Roy", chapter xii.
The Fair Penitent (1703)

In Latin, nullum magnum ingenium sine mixtura dementiae fuit (There is no great genius without some touch of madness). This passage by Seneca is the source most often cited in crediting Aristotle with this thought, but in Problemata xxx. 1, Aristotle says: 'Why is it that all those who have become eminent in philosophy or politics or poetry or the arts are clearly melancholic?' The quote by Plato is from the Dialogue Phaedrus (245a).
On Tranquility of the Mind

Abraham Isaac Kook, Rav Kook: Mystic in a Time of Revolution, Yehuda Mirsky (2014).

Source: The Geological Evidences of the Antiquity of Man (1863), Ch.20, p. 389-390

10 October 1492
Variant translation: Here the people could stand it no longer and complained of the long voyage; but the Admiral cheered them as best he could, holding out good hope of the advantages they would have. He added that it was useless to complain, he had come [to go] to the Indies, and so had to continue it until he found them, with the help of Our Lord.
As translated in Journals and Other Documents on the Life and Voyages of Christopher Columbus (1963) by Samuel Eliot Morison, p. 62
Journal of the First Voyage

Source: Report of the Superintendent of the New York and Erie Railroad to the Stockholders (1856), p. 34: Third paragraph. Cited in: Alfred D. Chandler, Jr. (1962). Strategy and Structure: Chapters in the History of the Industrial Enterprise. p. 21-22
Geometry as a Branch of Physics (1949)

Private letter published in The Family Memoirs of the Rev. William Stukeley (1887) Vol. 3, p. 142. (1754).
Source: Society as a complex adaptive system (1968), p. 490.

Source: The Geological Evidences of the Antiquity of Man (1863), Ch.20, p. 390-391

p, 125
The Structure of the Universe: An Introduction to Cosmology (1949)

Booknotes http://www.booknotes.org/Transcript/index_print.asp?ProgramID=1107 television interview (July 5, 1992)

1980s, GNU Manifesto (1985)
"Unnecessary Roughness" (1971), p. 150
The Good Word & Other Words (1978)

The Evolutionary Future of Man (1993)

Source: The Lives of the Painters, Sculptors, and Architects, 1900, p. 5-6

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 100.
Description of the temple built by Shantidas Jhaveri. Mandelslo’s Travels In Western India (a.d.1638-9) https://archive.org/details/in.ernet.dli.2015.531053 p. 23-25

Letter to Maria Jefferson Eppes (8 March 1809)
1800s, Post-Presidency (1809)

Quote of Henri Moore in his interview with David Silvester, in 'The Sunday Times Magazine', 16 Febr. 1964, pp. 18, 20-22
1955 - 1970

Source: Simon Stevin: Science in the Netherlands around 1600, 1970, p. 17-18

Icarus Ascending.
Song lyrics, Full Circle (2003)
Morgen Witzel (2003), Fifty Key Figures in Management. p. 39
Quote on the Cadbury company at the time Edward Cadbury was managing director

“for earth were too like heaven,
If length of life to love were given.”
The Improvisatrice (1824)
Source: Your Forces and How to Use Them (1912), Chapter 6, p. 91–2
Asia and Western Dominance: a survey of the Vasco Da Gama epoch of Asian history, 1498–1945

Letter to Josephus B. Stuart (May 10, 1817) ME 15:112; reported in The Writings of Thomas Jefferson, ed. Andrew A. Lipscomb (1904), vol. 15, p. 112
Posthumous publications, On financial matters
Cited in: Rebecca Solnit (2001). Wanderlust: A History of Walking. p. 5.
Source: Philosophy and Real Politics (2008), p. 54.

Photo-Illusions In The Digital Age http://www.walterwick.com/blog/2015/11/16/photo-illusions-in-the-digital-age (November 16, 2015)

The Golden Violet - The Queen of Cyprus
The Golden Violet (1827)

Lectures VI and VII, "The Sick Soul"
1900s, The Varieties of Religious Experience (1902)

"The Artist of the Beautiful" (1844)

From the sixth book, "The Book of the Lover"
The Pillow Book

Un Art de Vivre (The Art of Living) (1939), The Art of Loving

Source: Table Talk (1782), Line 556.

"The Hard Kind of Courage" in Harper's (October 1958) republished as "A Fly in Buttermilk" in Nobody Knows My Name: More Notes of a Native Son (1961)

"Feraliminal Lycanthropizer" (San Francisco: Plecid Foundation, 1990)

Our ally Turkey is in crisis and needs our support (2016)

"OS Shock"
In the Beginning... was the Command Line (1999)
Source: A Mathematical Dictionary: Or; A Compendious Explication of All Mathematical Terms, 1702, p. 1, The Introduction

Source: Visions of Excess: Selected Writings 1927-1939, p.21-22

John P. Kotter, "Leading change: Why transformation efforts fail." in: Harvard Business Review. March-April 1995. p. 59

From Basics of space flight, Ludwik Marian Celnikier, 1993, ISBN 2863321323, quoting "Discouraging Words", Spaceflight, 34, 225 (1992).
Poem Nepenthe

Quote from De Chirico's text 'Pro tempera oratio', c. 1920; from 'PRO TEMPERA ORATIO' http://www.fondazionedechirico.org/wp-content/uploads/475-480Metafisica5_6.pdf, p. 475
1920s and later
Dumbing Down, Down, Down... p. 253-254.
The Light's On At Signpost (2002)
Sultãn Ibrãhîm Lodî (AD 1517-1526) Gwalior (Madhya Pradesh)
Tãrîkh-i-Firishta

Speeches, Moscow Address

Source: Gifted Hands: The Ben Carson Story (1990), p. 88

Source: James Nasmyth engineer, 1883, p. 389; Cited in: Humphrey Jennings, Mary-Lou Jennings, Charles Madge (1985). Pandaemonium, 1660-1886: The Coming of the Machine as Seen by Contemporary Observers, 1660-1886. p. 302

1960s, I am Prepared to Die (1964)

“Length of course depends on the stupidity of the class…”
Fisher's notes in the front cover of his own copy of A Short Treatise on Electricity and the Management of Electric Torpedoes (1868)
Fisher of Kilverstone (1973), Ruddock F. Mackay, Clarendon Press, p. 48.

Speech at a meeting of the Council of the Anti-Corn Law League held in Manchester Town Hall (2 July 1846), quoted in G. M. Trevelyan, The Life of John Bright (London: Constable, 1913), pp. 150-151.
1840s
About the conquest of Delhi. Hasan Nizami. Elliot and Dowson, Vol. II : Elliot and Dowson, History of India as told by its own Historians, 8 Volumes, Allahabad Reprint, 1964. pp. 216. Also quoted in Jain, Meenakshi (2011). The India they saw: Foreign accounts.

volume I, chapter VIII: "Religion", pages 306-307 http://darwin-online.org.uk/content/frameset?pageseq=324&itemID=F1452.1&viewtype=image; letter http://www.darwinproject.ac.uk/entry-8837 to Dutch student N.D. Doedes (2 April 1873)
The Life and Letters of Charles Darwin (1887)

Source: Law in the Scientific Era, P.vii.
Source: Writing for Social Scientists (1986), p. 141-142 as cited in: Using the Literature to Formulate your Research Question http://www.utexas.edu/research/pair/usingthe.htm at utexas.edu. Accessed Feb 19, 2013.
...We also discover in the Pythagorean speculations more than a mere germ of... the scientific attitude.
The Bequest of the Greeks (1955)

Excerpt from Gnomologia, To the Reader (Prefatory Remarks).
Introductio ad prudentiam: Part II (1727), Gnomologia (1732)

Source: Sir William Herschel: His Life and Works (1880), Ch.4 "Life and Works" Footnote: At least one of these telescopes had the principal mirror made of glass instead of metal. Philosophical Transactions of the Royal Society of London (1803).

“Days are stupid length. They are just long enough to get regret and then you have to go to bed.”
on days.
Yeah, Yeah (2011)

As quoted in Calculus Gems (1992) by George F. Simmons

Source: Report of the Superintendent of the New York and Erie Railroad to the Stockholders (1856), p. 33-34: First two paragraphs

Source: Ode on the Pleasure Arising from Vicissitude http://www.thomasgray.org/cgi-bin/display.cgi?text=oopv (1754), Line 41

Part V, The Merchant Princes, section 2; originally published as “The Big and the Little” in Astounding (August 1944)
The Foundation series (1951–1993), Foundation (1951)
“News Headline Noun String Length World Record Breaker Runner-Up”
Referring to a BBC article http://www.bbc.co.uk/news/health-13905331 with the headline "Breast Cancer Prostate Drug Hope"
from Best of the Web Today for June 27, 2011 http://online.wsj.com/article/SB10001424052702304447804576411740143493006.html
Source: Mathematical Thought from Ancient to Modern Times (1972), p. 454

Source: Prisoned in Windsor, He Recounteth his Pleasure there Passed, Line 21
Source: 1970s, "The short and glorious history of organizational theory", 1973, p. 13

– Emperor Jahangir's Memoirs, Jahangirnama 27b-28a, (Translator: Wheeler M. Thackston) [Jahangir, Emperor of Hindustan, 1999, The Jahangirnama: Memoirs of Jahangir, Emperor of India, Thackston, Wheeler M., Wheeler Thackston, Oxford University Press, 59, 978-0-19-512718-8]